Pallet truck



FIG. 1 is a front perspective view showing my design;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a top view; and,

FIG. 7 is a bottom view.

The broken lines shown in the drawings illustrate portions of the pallet truck that form no part of the claimed design. 

CLAIM We claim the ornamental design for a pallet truck, as shown and described. 